Debt and Preferred Equity Investments - Debt Investment (Details) - USD ($)	3 Months Ended		5 Months Ended	6 Months Ended		17 Months Ended	35 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Jun. 30, 2023	Dec. 31, 2021
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Aggregate weighted average current yield (as a percent)				5.96%
Debt Investments Held [Abstract]
Carrying Value, Fixed Rate	$ 636,476,000		$ 636,476,000	$ 636,476,000		$ 623,280,000	$ 636,476,000
Carrying Value	636,476,000		636,476,000	636,476,000		623,280,000	636,476,000
Allowance for loan loss	(13,520,000)		(13,520,000)	(13,520,000)		(6,630,000)	(13,520,000)	$ (6,630,000)
Investment income	9,103,000	$ 20,407,000		18,160,000	$ 40,295,000
Loan interest income						0
Debt Investments in Mortgage Loans
Debt Investments Held [Abstract]
Future Funding Obligations	11,379,000		11,379,000	11,379,000			11,379,000
Senior Financing	1,724,174,000		1,724,174,000	1,724,174,000			1,724,174,000
Carrying Value	512,647,000		512,647,000	512,647,000		503,422,000	512,647,000
Allowance for loan loss	(13,520,000)		(13,520,000)	(13,520,000)		(6,630,000)	(13,520,000)
Mezzanine Loan Due June 2024
Debt Investments Held [Abstract]
Amount participated out	12,000,000		12,000,000	12,000,000			12,000,000
Loan interest income							0
Total fixed rate
Debt Investments Held [Abstract]
Future Funding Obligations	0		0	0			0
Senior Financing	956,607,000		956,607,000	956,607,000			956,607,000
Carrying Value, Fixed Rate	371,485,000		371,485,000	371,485,000		365,842,000	371,485,000
Total fixed rate | Mezzanine Loan Due June 2023
Debt Investments Held [Abstract]
Future Funding Obligations	0		0	0			0
Senior Financing	399,460,000		399,460,000	399,460,000			399,460,000
Carrying Value, Fixed Rate	225,367,000		225,367,000	225,367,000		225,367,000	225,367,000
Investment income							0
Total fixed rate | Mezzanine Loan Due June 2023, 2
Debt Investments Held [Abstract]
Future Funding Obligations	0		0	0			0
Senior Financing	272,147,000		272,147,000	272,147,000			272,147,000
Carrying Value, Fixed Rate	82,752,000		82,752,000	82,752,000		77,109,000	82,752,000
Total fixed rate | Mezzanine Loan Due June 2024
Debt Investments Held [Abstract]
Future Funding Obligations	0		0	0			0
Senior Financing	105,000,000		105,000,000	105,000,000			105,000,000
Carrying Value, Fixed Rate	13,366,000		13,366,000	13,366,000		13,366,000	13,366,000
Total fixed rate | Mezzanine Loan, with an Initial Maturity Date of January 2025
Debt Investments Held [Abstract]
Future Funding Obligations	0		0	0			0
Senior Financing	95,000,000		95,000,000	95,000,000			95,000,000
Carrying Value, Fixed Rate	30,000,000		30,000,000	30,000,000		30,000,000	30,000,000
Total fixed rate | Mezzanine Loan With Initial Maturity Date of December 2029
Debt Investments Held [Abstract]
Future Funding Obligations	0		0	0			0
Senior Financing	85,000,000		85,000,000	85,000,000			85,000,000
Carrying Value, Fixed Rate	20,000,000		20,000,000	20,000,000		20,000,000	20,000,000
Total floating rate
Debt Investments Held [Abstract]
Future Funding Obligations	11,379,000		11,379,000	11,379,000			11,379,000
Senior Financing	767,567,000		767,567,000	767,567,000			767,567,000
Carrying Value	154,682,000		154,682,000	154,682,000		144,210,000	154,682,000
Total floating rate | Mezzanine Loan Due April 2023
Debt Investments Held [Abstract]
Future Funding Obligations	0		0	0			0
Senior Financing	275,000,000		275,000,000	275,000,000			275,000,000
Carrying Value	50,000,000		50,000,000	50,000,000		50,000,000	50,000,000
Loan interest income			0
Total floating rate | Mezzanine Loan Due July 2023
Debt Investments Held [Abstract]
Future Funding Obligations	0		0	0			0
Senior Financing	186,084,000		186,084,000	186,084,000			186,084,000
Carrying Value	39,083,000		39,083,000	39,083,000		39,083,000	39,083,000
Total floating rate | Mezzanine Loan Due November 2023
Debt Investments Held [Abstract]
Future Funding Obligations	3,761,000		3,761,000	3,761,000			3,761,000
Senior Financing	54,000,000		54,000,000	54,000,000			54,000,000
Carrying Value	8,243,000		8,243,000	8,243,000		8,243,000	8,243,000
Total floating rate | Mezzanine Loan Due May 2023
Debt Investments Held [Abstract]
Future Funding Obligations	7,618,000		7,618,000	7,618,000			7,618,000
Senior Financing	252,483,000		252,483,000	252,483,000			252,483,000
Carrying Value	$ 57,356,000		$ 57,356,000	$ 57,356,000		$ 46,884,000	$ 57,356,000